This is another example of where the Selfish Gene is acting. Since Habit formation provides an evolutionary advantage it’s always adjusting to what we are up to. One of the fundamental truism emerges once again:

It’s circular but true, we become what we do.- From [It’s circular but true, we become what we do](./It’s circular but true, we become what we do.md)

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In what areas does this apply?

Where does it not apply as much?

Mention strength training for sure. And relate this to spaced repetition.